Introduction:
Dimension 158.75mm*158.75mm±0. 25mm
Diagonal 223mm±0.5mm
Thickness(Si) 170μm±30μm
Front 5* 0.7mm bus bars (silver) 120 finger grids Blue anti-reflecting coating (silicon nitride)
Back Width of back electrode (silver)1.8±0.3 mm,Back surface field (aluminum)